APA (7th ed.) Citation

Lu, H. (1993). A barrier on finite difference schemes of positive type.

Chicago Style (17th ed.) Citation

Lu, Hao. A Barrier on Finite Difference Schemes of Positive Type. Nijmegen, the Netherlands, 1993.

MLA (9th ed.) Citation

Lu, Hao. A Barrier on Finite Difference Schemes of Positive Type. 1993.